Bookkeeper
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Description
[Preservation Technologies, PA] A registered trademark for a nonaqueous solution of Magnesium oxide sold as a deacidification agent for paper. Bookkeeper® Deacidification is a patented process first sold in 1992. It can be used in a large scale mass deacidification system or as individual spray products.
Synonyms and Related Terms
Bookkeeper Deacidification Spray; magnesium oxide
Physical and Chemical Properties
Meets ISO 14523 Photographic Activity Test (Permanence Institute)
Resources and Citations
- Preservation Technologies: Website
- P. Whittmore, "Evaluation of the Bookkeeper Process Chemistry" Link
- Conservation Support Systems, Catalog, 1997